Question
Which of the following is the least penetrating power
rays ?Solution
An Alpha particle has very low penetrating ability. People can protect themselves against an alpha particle by using a sheet of paper.
For which type of motion, the distance time graph is not a straight line and can be any kind of curve?
Water gets cooled, when ice is immersed in it, this phenomenon is known as
What is the SI unit of power?
What is termed as 'mechanical energy' in physics?
In a coil with n turns, what happens to the induced electromotive force (EMF) if the number of turns is doubled while the magnetic flux remains constant?
Temperature of the Sun is measured by
Electrical fuse is used to interrupt excess of _________.
Which of the following wind is also known as “ICE HEATER?”
Which compound is used to prepare water proof clothes?
As an air bubble ascends from the bottom of a lake to the surface, what happens to its size?
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